Software Makes Transfer Functions More Manageable

Small-signal analysis of switching dc-dc converters determines their specific transfer functions...

Resonant Power Supply Suits Audio Systems

Audio equipment manufacturers are under growing market and commercial pressures to improve the efficiency and no-load power dissipation in products...

Tackle Thermal Design At the System Level

Designing a cost-competitive electronic system requires careful consideration of the thermal domain as well as the electrical domain, especially where...

PFC Circuit Halts Inrush Currents

The use of power-factor correction (PFC) is becoming more common in the design of power converters...

Optocouplers Safely Isolate Integrated Power Modules

A designer can select the appropriate optocouplers based on the relevant equipment safety standards...

Expanded RoHS May Spell More Work for Manufacturers

If your company has finally gotten a handle on RoHS and feels comfortable in its ability to build systems that meet the directive, get ready for another...

Data Points

Chipmaker Publishes Metrics for Efficient Product Branding National Semiconductor has published a set of criteria that explains how it designates various...

Devices Stop Most Power-Line Disturbances

A series of surge-protection devices from Innovolt protects electronic equipment from the many common power disturbances that transient voltage surge...

Spotlight on Test and Measurement

AC Power Testing Pacific Power Source has incorporated Test Manager into version 1.3 of its UPC Studio Software, a tool for gaining control of universal...

New Products

Intelligent Power Modules Infineon Technologies Industrial Power's highly integrated intelligent power modules contain nearly all of the semiconductor...

Power-Supply Efficiency Specs Align But Slowly

With energy-efficiency standards around the globe tightening, designers of external power supplies (EPS) should stay abreast of the latest changes. ENERGY...

Extend Ratings of One-Wire Switches

One-wire switches such as the DS2405 from Maxim Integrated Products allow designers to control remote loads through the versatile one-wire network. The...

Cooling Fan Development Turns on Application Needs

The need for forced-air cooling is a fact of life in many power-supply applications, and designers depend on that airflow to maximize power density...